782620687632 has 60 divisors (see below), whose sum is σ = 2351855032656. Its totient is φ = 223605910080.

The previous prime is 782620687523. The next prime is 782620687643. The reversal of 782620687632 is 236786026287.

It is a super-2 number, since 2×782620687632² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166371094 + ... + 166375797.

Almost surely, 2^782620687632 is an apocalyptic number.

It is an amenable number.

782620687632 is an abundant number, since it is smaller than the sum of its proper divisors (1569234345024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

782620687632 is a wasteful number, since it uses less digits than its factorization.

782620687632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332746916 (or 332746903 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 782620687632 in words is "seven hundred eighty-two billion, six hundred twenty million, six hundred eighty-seven thousand, six hundred thirty-two".